Home / 3,370.08-5,054.32-1,289.32

Finding the Fourth Proportional to 3,370.08, 5,054.32 and 1,289.32

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Solution

The fourth proportional to 3,370.08, 5,054.32 and 1,289.32 is: 1,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.08 : 5,054.32 = 1,289.32 : x
  2. Step 2: Convert to fraction form
    3,370.08/5,054.32 = 1,289.32/x
  3. Step 3: Cross multiply
    3,370.08x = 5,054.32 × 1,289.32
  4. Step 4: Simplify right side
    3,370.08x = 6,516,635.86
  5. Step 5: Solve for x
    x = 6,516,635.86/3,370.08
  6. Step 6: Final answer
    x = 1,933.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.